Podcast: Glowing robot skin, zombie frogs, and viral fossils in our DNA

Online News Editor David Grimm shares stories on zombification by a frog-killing fungus, relating the cosmological constant to life in the universe, and ancient viral genes that protect us from illness.
Chris Larson joins host Sarah Crespi to discuss a new type of robot skin that can stretch and glow.
[Image: Jungbae Park]